LCOV - code coverage report
Current view: top level - fs/ext4 - xattr_user.c (source / functions) Hit Total Coverage
Test: fstests of 6.5.0-rc4-xfsx @ Mon Jul 31 20:08:34 PDT 2023 Lines: 8 8 100.0 %
Date: 2023-07-31 20:08:34 Functions: 3 3 100.0 %

          Line data    Source code
       1             : // SPDX-License-Identifier: GPL-2.0
       2             : /*
       3             :  * linux/fs/ext4/xattr_user.c
       4             :  * Handler for extended user attributes.
       5             :  *
       6             :  * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
       7             :  */
       8             : 
       9             : #include <linux/string.h>
      10             : #include <linux/fs.h>
      11             : #include "ext4_jbd2.h"
      12             : #include "ext4.h"
      13             : #include "xattr.h"
      14             : 
      15             : static bool
      16      316152 : ext4_xattr_user_list(struct dentry *dentry)
      17             : {
      18      316152 :         return test_opt(dentry->d_sb, XATTR_USER);
      19             : }
      20             : 
      21             : static int
      22       65565 : ext4_xattr_user_get(const struct xattr_handler *handler,
      23             :                     struct dentry *unused, struct inode *inode,
      24             :                     const char *name, void *buffer, size_t size)
      25             : {
      26       65565 :         if (!test_opt(inode->i_sb, XATTR_USER))
      27             :                 return -EOPNOTSUPP;
      28       65565 :         return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
      29             :                               name, buffer, size);
      30             : }
      31             : 
      32             : static int
      33      341072 : ext4_xattr_user_set(const struct xattr_handler *handler,
      34             :                     struct mnt_idmap *idmap,
      35             :                     struct dentry *unused, struct inode *inode,
      36             :                     const char *name, const void *value,
      37             :                     size_t size, int flags)
      38             : {
      39      341072 :         if (!test_opt(inode->i_sb, XATTR_USER))
      40             :                 return -EOPNOTSUPP;
      41      341072 :         return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
      42             :                               name, value, size, flags);
      43             : }
      44             : 
      45             : const struct xattr_handler ext4_xattr_user_handler = {
      46             :         .prefix = XATTR_USER_PREFIX,
      47             :         .list   = ext4_xattr_user_list,
      48             :         .get    = ext4_xattr_user_get,
      49             :         .set    = ext4_xattr_user_set,
      50             : };

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